Question

Edited: Proper nonsingular smooth map between connected manifolds is a covering map

score 282 · Answer 1 · 2026-04-02 20:19:56

282

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Edited: Proper nonsingular smooth map between connected manifolds is a covering map

Published on 02 Apr 2026 - 20:19

score 495 · Answer 2 · 2026-04-01 06:02:50

495

Views

Embedding vs embedding as a closed subset

Published on 01 Apr 2026 - 6:02

score 306 · Answer 3 · 2026-03-25 16:14:03

306

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Preimage of the set of critical value of an analytic function between smooth manifolds

Published on 25 Mar 2026 - 16:14

score 1.4k · Answer 4 · 2026-03-25 01:20:19

1.4k

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Stereographic projection to show $S^n$ is a submanifold of $\Bbb R^{n+1}$

Published on 25 Mar 2026 - 1:20

score 1k · Answer 5 · 2026-03-26 12:53:55

1k

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Not all finitely-presented groups are fundamental groups of closed 3-manifolds

Published on 26 Mar 2026 - 12:53

score 3.9k · Answer 6 · 2026-04-02 22:09:04

3.9k

Views

Proper and free action of a discrete group

Published on 02 Apr 2026 - 22:09

score 50 · Answer 7 · 2014-10-25 06:24:32

50

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Subspace not open of a differentiable manifold

Published on 25 Oct 2014 - 6:24

score 90 · Answer 8 · 2026-03-26 22:18:15

90

Views

What's the significance to the $m$ in the notation $L(n,m)$ for the Lens space?

Published on 26 Mar 2026 - 22:18

score 93 · Answer 9 · 2014-10-27 07:43:56

93

Views

Space of closed parametric curve is a manifold?

Published on 27 Oct 2014 - 7:43

score 161 · Answer 10 · 2026-04-02 20:25:24

161

Views

Using the results of the local immersion/submersion theorems on manifolds

Published on 02 Apr 2026 - 20:25

score 3.4k · Answer 11 · 2014-10-27 23:51:22

3.4k

Views

The unit tangent bundle for submanifold $M^{m}\subset \mathbb{R}^{n}$ is a (2m-1)-dim submanifold

Published on 27 Oct 2014 - 23:51

score 460 · Answer 12 · 2014-10-28 01:56:38

460

Views

$x^{4}+y^{2}+z^{2}=1$ diffeomorphic to 2-sphere $\mathbb{S}^{2}$

Published on 28 Oct 2014 - 1:56

score 353 · Answer 13 · 2026-03-28 04:52:12

353

Views

Free and proper action

Published on 28 Mar 2026 - 4:52

score 133 · Answer 14 · 2026-04-01 22:27:00

133

Views

What is the space that we live in?

Published on 01 Apr 2026 - 22:27

score 1.6k · Answer 15 · 2014-10-28 18:26:05

1.6k

Views

Derivations on a Manifold

Published on 28 Oct 2014 - 18:26

List Question

Edited: Proper nonsingular smooth map between connected manifolds is a covering map

Embedding vs embedding as a closed subset

Preimage of the set of critical value of an analytic function between smooth manifolds

Stereographic projection to show $S^n$ is a submanifold of $\Bbb R^{n+1}$

Not all finitely-presented groups are fundamental groups of closed 3-manifolds

Proper and free action of a discrete group

Subspace not open of a differentiable manifold

What's the significance to the $m$ in the notation $L(n,m)$ for the Lens space?

Space of closed parametric curve is a manifold?

Using the results of the local immersion/submersion theorems on manifolds

The unit tangent bundle for submanifold $M^{m}\subset \mathbb{R}^{n}$ is a (2m-1)-dim submanifold

$x^{4}+y^{2}+z^{2}=1$ diffeomorphic to 2-sphere $\mathbb{S}^{2}$

Free and proper action

What is the space that we live in?

Derivations on a Manifold

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